\documentclass{article}
\usepackage{pgfplots}

\begin{document}
\begin{tikzpicture}
\begin{axis}[
      y tick label style={/pgf/number format/.cd,%
          scaled y ticks = false,
          set thousands separator={},
          fixed},
      x tick label style={/pgf/number format/.cd,%
          scaled x ticks = false,
          set decimal separator={,},
          fixed}%
     ]
  \addplot coordinates {
  (0.1,1000)
  (0.2,1100)
  (0.3,1200)
  };    
\end{axis}
\end{tikzpicture}
\end{document}
